parsing input type=number should skip spaces

LayoutTests/fast/forms/number/number-valueasnumber.html

Index: LayoutTests/fast/forms/number/number-valueasnumber.html
diff --git a/LayoutTests/fast/forms/number/number-valueasnumber.html b/LayoutTests/fast/forms/number/number-valueasnumber.html
index e403d0802a7b6f87a881be97f8bee009ddd42c55..12e2db82efeb5b4e6115fddf0d24ad920885b8ee 100644
--- a/LayoutTests/fast/forms/number/number-valueasnumber.html
+++ b/LayoutTests/fast/forms/number/number-valueasnumber.html
@@ -24,6 +24,9 @@ shouldBe('valueAsNumberFor("0")', '0');
 shouldBe('valueAsNumberFor("0.2")', '0.2');
 shouldBe('valueAsNumberFor(".2")', '0.2');
 shouldBe('valueAsNumberFor("10")', '10');
+shouldBe('valueAsNumberFor(" 10")', '10');
+shouldBe('valueAsNumberFor("10 ")', '10');
+shouldBe('valueAsNumberFor("1 0")', '10');
 shouldBe('valueAsNumberFor("01")', '1');
 shouldBe('valueAsNumberFor("-0")', '0'); // "-0" is 0 in HTML5.
 shouldBe('valueAsNumberFor("-1.2")', '-1.2');
@@ -38,8 +41,6 @@ shouldBeTrue('isNaN(valueAsNumberFor(""))');
 shouldBeTrue('isNaN(valueAsNumberFor("abc"))');
 shouldBeTrue('isNaN(valueAsNumberFor("0xff"))');
 shouldBeTrue('isNaN(valueAsNumberFor("+1"))');
-shouldBeTrue('isNaN(valueAsNumberFor(" 10"))');
-shouldBeTrue('isNaN(valueAsNumberFor("10 "))');
 shouldBeTrue('isNaN(valueAsNumberFor("."))');
 shouldBeTrue('isNaN(valueAsNumberFor("1E"))');
 shouldBeTrue('isNaN(valueAsNumberFor("NaN"))');